..Findings indicate a consistent pattern of interactions for descriptive norms and group orientation on both attitudes and behavioral intent. Implications for normative theory and campaign design are addressed...

..Given the importance of combining response and self-efficacy messages for maximal effectiveness of messages, the pro-eating disorder sites may have limited effectiveness in effecting behavioral change among site visitors...

Can a short film impact HIV-related risk and stigma perceptions? Results from an experiment in Abuja, Nigeria